EP1909984B1 - Dispositif d'actionnement de rouleaux de machines utilisees dans le traitement de produits metalliques - Google Patents

Dispositif d'actionnement de rouleaux de machines utilisees dans le traitement de produits metalliques Download PDF

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Publication number
EP1909984B1
EP1909984B1 EP06764236A EP06764236A EP1909984B1 EP 1909984 B1 EP1909984 B1 EP 1909984B1 EP 06764236 A EP06764236 A EP 06764236A EP 06764236 A EP06764236 A EP 06764236A EP 1909984 B1 EP1909984 B1 EP 1909984B1
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EP
European Patent Office
Prior art keywords
rollers
roller
actuating device
gear
previous
Prior art date
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Active
Application number
EP06764236A
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German (de)
English (en)
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EP1909984A1 (fr
Inventor
Claudio Vigano'
Luca Sandrin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danieli and C Officine Meccaniche SpA
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Danieli and C Officine Meccaniche SpA
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers

Definitions

  • the present invention relates to a roller actuating device for machines - in particular, for flattening machines known as "levelers" - used for processing metal products such as sheet metal, strips or other similar metal products, comprising devices for transmitting motion to the operating rollers.
  • This device can be used for any application in which the pitch between the driven rollers is so reduced that it may affect the use of articulated transmission members.
  • a first embodiment of a roller actuating mechanism of a flattening machine is described in the document DE3501871 in which the flattening rollers are supported by supporting rollers, each of which is individually controlled by its motor by means of its own gear unit.
  • the flattening rollers or supporting rollers are connected with cardan shafts to their own gear unit. This unit is offset laterally, and is inserted and driven alternately on the opposite sides by its fixed electric motor.
  • roller actuating systems of a flattening machine are described in the documents JP62240113 and JP63068223 ; they include methods for improving the flattening or straightening effect of a strip or metal sheet passing through the top and bottom rollers of the machine.
  • JP62240113 the improvement of the process is achieved by applying an additional tractive force to the strip through a reduction of the operating speed of the first flattening rollers as well as an acceleration of the succeeding rollers.
  • the second document, JP63068223 describes a roller flattening machine which features gearboxes, along the run of the strip, supporting each flattening roller.
  • gearboxes include loadmeters which enable the machine to give the correct tension to the strip, thereby preventing slippage between the flattening rollers and the strip itself.
  • An objective of the present invention is to achieve an innovative roller actuating device for machines - e.g. flattening machines used for processing strips or sheet metal, or other similar products - extremely functional and capable of transmitting higher torques.
  • Another objective is to provide a much more compact roller actuating device than the one used in other known devices, thereby considerably reducing the space occupied by the whole machine throughout the whole production line and, at the same time, minimizing implementation costs.
  • the present invention intends to achieve the above-mentioned objectives by means of a roller actuating device for machines used for processing metal products, said rollers being capable of rotating and defining their axes of rotation, which comprises, in accordance with claim 1, motor devices for transmitting rotation to said rollers, devices for transmitting motion from said motor devices to said rollers, wherein the transmission devices include, for each roller, a first pinion reduction gear unit and a sprocket, a second sun-and-planet motion gear reduction unit, a flat gear distribution which connects said second reduction gear unit to a transmission shaft for transmitting rotation to the roller.
  • roller actuating device shall require an independent motor drive for each roller (see following components):
  • the device advantageously includes a finger arrangement of the distributor gears which makes it possible to optimize the spaces and move the shaft motion output axes closer in order to reduce the operating angles of the toothed adapters, preferably between 0 and 2°.
  • the number of operating rollers hence the number of motors and reduction gears, can vary from 3 to a value of "n", said value being compatible with the available spaces.
  • FIG. 1 The Figures show a roller actuating device 8 of a flattening machine used for processing strips or other similar metal products.
  • Each roller 8, called flattening roller, is individually operated by means of the following components:
  • Each pinion 21 is integral with an input shaft 20 directly connected to its motor.
  • the motors 1 are set on one side relative to the box containing the gear distributions 3' which also supports the planetary reduction gears 2.
  • the actuating device of the flattening rollers 8 includes nine reduction gears 2 with a train of crown wheels used for achieving the required reduction, yet maintaining the independence between the driven flattening rollers..
  • a planetary configuration allows for an extreme compactness and achievement of a high reduction of speed.
  • Planetary reduction gears 2 also include the following features:
  • the gear distributor 3 advantageously includes an arrangement with nine input shafts 5 and nine output shafts 6 to support and connect each planetary reduction gear 2 with its corresponding toothed adapter 4, hence with the driven flattening roller 8.
  • Each roller includes a three - or more - gear distribution 3' in the distributor 3, which comprises at least one driving pinion 11 on an input shaft 5 connected to a reduction gear 2, at least one idle wheel 12 on an intermediate shaft to transfer the torque and at least one driven pinion 13 on an output shaft 6 connected to its corresponding toothed adapter 4.
  • An equal number of helical toothed elements is generally fitted onto the corresponding shafts so as to compensate the thrusts.
  • gear distributions 3' are not mechanically connected to each other, thereby allowing the independent operation of each flattening roller.
  • Such gear distributions 3' are advantageously arranged in an outer peripheral position relative to the axes of the flattening rollers, according to a finger configuration which determines high compactness, as shown in Fig. 3 .
  • the distributor 3 also includes:
  • adapters 4 or extensions or toothed driving shafts connect the gear distributor 3 to the flattening rollers 8.
  • These adapters 4 include a splined hub connected to the operating roller. Also, they have operating angles, preferably between 0 and 2°.
  • roller actuating device related to the present invention, includes its high compactness.
  • the maximum overall dimensions of the zone comprising the drive mechanisms from the motors 1 to the toothed adapters 4 do not exceed 3000 x 2200 x 1900 mm.
  • the actuating device could control couples, triplets or groups of more than three rollers; each couple, triplet or group is controlled by its own motor.
  • This roller actuating device is not limited to flattening machines but it can also be used with any machine used for processing metal products, in particular for any application in which the pitch between the driven rollers is so reduced that it may affect the use of articulated transmission members.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Retarders (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)
  • Friction Gearing (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Advancing Webs (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)

Claims (7)

  1. Dispositif d'actionnement de rouleaux d'actionnement de machines de traitement de produits métalliques, comprenant des rouleaux susceptibles de tourner, les rouleaux définissant des axes de rotation respectifs, le dispositif d'actionnement comprenant des moyens moteurs (1) pour transmettre une rotation auxdits rouleaux (8), des moyens de transmission pour transmettre un mouvement depuis lesdits moyens moteurs (1) auxdits rouleaux, dans lequel les moyens de transmission comprennent, pour chaque rouleau (8), une première unité d'engrenage de réduction à pignon (21) et une roue dentée (22), une seconde unité d'engrenage de réduction de mouvement planétaire (2), une répartition d'engrenages plats (3') reliant ladite seconde unité d'engrenage de réduction à un arbre de transmission (4) pour transmettre une rotation au rouleau.
  2. Dispositif selon la revendication 1, dans lequel ladite seconde unité d'engrenage de réduction (2) et lesdites répartitions d'engrenages (3') sont incorporées dans un châssis de support fixé sur des fondations.
  3. Dispositif selon l'une quelconque des revendications précédentes dans lequel les moyens moteurs (1) sont placés sur un côté par rapport audit châssis.
  4. Dispositif selon l'une quelconque des revendications précédentes, dans lequel lesdites répartitions d'engrenages (3') sont agencées dans une position périphérique extérieure par rapport aux axes des rouleaux (8).
  5. Dispositif selon l'une quelconque des revendications précédentes, dans lequel lesdites répartitions d'engrenages (3') comprennent un premier pignon (11) relié à un mouvement planétaire (2), une roue libre (12) et un second pignon (13) relié à un arbre de transmission (4).
  6. Dispositif selon l'une quelconque des revendications précédentes, dans lequel les arbres de transmission (4) sont des adaptateurs dentés.
  7. Dispositif selon la revendication 6, dans lequel les angles de fonctionnement desdits adaptateurs dentés (4) sont de préférence entre 0 et 2°.
EP06764236A 2005-07-22 2006-07-20 Dispositif d'actionnement de rouleaux de machines utilisees dans le traitement de produits metalliques Active EP1909984B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT001413A ITMI20051413A1 (it) 2005-07-22 2005-07-22 Dispositivo di azionamento rulli di macchine per la lavorazione di prodotti metallici
PCT/EP2006/064454 WO2007010021A1 (fr) 2005-07-22 2006-07-20 Dispositif d'actionnement de rouleaux de machines utilisees dans le traitement de produits metalliques

Publications (2)

Publication Number Publication Date
EP1909984A1 EP1909984A1 (fr) 2008-04-16
EP1909984B1 true EP1909984B1 (fr) 2009-07-15

Family

ID=35810243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06764236A Active EP1909984B1 (fr) 2005-07-22 2006-07-20 Dispositif d'actionnement de rouleaux de machines utilisees dans le traitement de produits metalliques

Country Status (13)

Country Link
US (1) US7866461B2 (fr)
EP (1) EP1909984B1 (fr)
JP (1) JP5102206B2 (fr)
KR (1) KR20080034957A (fr)
CN (1) CN101227986B (fr)
BR (1) BRPI0613772B1 (fr)
CA (1) CA2615951C (fr)
DE (1) DE602006007856D1 (fr)
ES (1) ES2329935T3 (fr)
IT (1) ITMI20051413A1 (fr)
RU (1) RU2406581C2 (fr)
UA (1) UA93511C2 (fr)
WO (1) WO2007010021A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2145706T3 (da) * 2008-07-14 2010-06-28 Arku Maschb Gmbh Indretning til udretning af metalemner
CN104801572A (zh) * 2015-03-26 2015-07-29 长治钢铁（集团）锻压机械制造有限公司 紧凑型液压分组驱动校平机
CN104801571A (zh) * 2015-03-26 2015-07-29 长治钢铁（集团）锻压机械制造有限公司 两端合流驱动的高强度钢板校平机
CN110566633B (zh) * 2019-09-11 2022-11-01 中国重型机械研究院股份公司 一种用于带材高速连续生产的双源传动***

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Also Published As

Publication number Publication date
ITMI20051413A1 (it) 2007-01-23
BRPI0613772B1 (pt) 2019-12-10
EP1909984A1 (fr) 2008-04-16
RU2008106747A (ru) 2009-08-27
ES2329935T3 (es) 2009-12-02
KR20080034957A (ko) 2008-04-22
CA2615951C (fr) 2014-01-07
CA2615951A1 (fr) 2007-01-25
DE602006007856D1 (de) 2009-08-27
US7866461B2 (en) 2011-01-11
BRPI0613772A2 (pt) 2011-02-01
RU2406581C2 (ru) 2010-12-20
CN101227986A (zh) 2008-07-23
JP5102206B2 (ja) 2012-12-19
WO2007010021A1 (fr) 2007-01-25
US20100018840A1 (en) 2010-01-28
JP2009503370A (ja) 2009-01-29
UA93511C2 (ru) 2011-02-25
CN101227986B (zh) 2011-03-09

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